CN201721203U

CN201721203U - Multifunctional plotter

Info

Publication number: CN201721203U
Application number: CN2010201387659U
Authority: CN
Inventors: 赵志强
Original assignee: Individual
Current assignee: GUILIN JINGZHUN MEASUREMENT AND CONTROL TECHNOLOGY Co Ltd
Priority date: 2010-03-23
Filing date: 2010-03-23
Publication date: 2011-01-26
Anticipated expiration: 2020-03-23

Abstract

The utility model discloses a multifunctional plotter. The main body of the multifunctional plotter is a pair of digital display compasses, two compasses legs are mutually hinged on an upper end, the digital display device of the digital display compasses is arranged on the hinge position of the two compass legs, and the fixed grate and the movable grate of a round capacitance sensor in the digital display are respectively hinged with two compass legs of a hinged part; the digital display device is also provided with a measurement signal processor and a digital processor, wherein the measurement signal processor can calculate the diameter of a circle according to the flare angel and the length of the two compass legs, and the diameter of the circle can be displayed on the display. Two compass legs of the digital display compass are replaced by rules to serve as a protractor, the bottoms of the two rulers are on the same plane, and the hinge ends of two rulers are in butt joint to form a long ruler when the flare angle is 180 degrees. The long ruler is also provided with an auxiliary ruler which is a ruler with unequal side edges. When the plotter is used, the short edge of the auxiliary ruler slides to the upper end of the inner side edge of the rule, and the long edge of the auxiliary ruler contacts with and intersects with the internal edge of the other ruler. Users can draw the flare angle degree of the two selected rulers along the long edge of the auxiliary ruler.

Description

Multifunctional plotter

(1) technical field

The utility model relates to drawing instrument, specifically is a kind of multifunctional plotter.

(2) background technology

As the compasses of one of drawing instrument, be hinged in the top and form by two rule pin, institute's diameter of a circle of doing needs could determine after the contrast on the ruler, bothers and has an error.

By determining to be done diameter of a circle rapidly, on compasses, used sensor technology, it as application number " digital display compasses " utility model patent of 2007200023687, be that the fan-shaped capacitor grid transducer of measuring radius has been installed on the rule pin of compasses, subtended angle by compasses rule pin also calculates institute's diameter of a circle of doing and shows on display in conjunction with rule pin length, very intuitive and convenient.But it is not, attractive in appearance and be not easy to carry and collect because the special construction of fan-shaped capacitor grid transducer can only install between the two rule pin, thereby cause advising pin subtended angle insufficient amplitude and compasses complicated integral structure.

In addition, comprise compasses and include ruler, set square (two), protractor and compasses etc. at the simplest interior set of drawing instruments, as schooling apparatus, these all are the things of primary and secondary students' indispensability.But because careless and use not careful, cause losing of some utensil and damage through regular meeting, give and learn and mapping is made troubles, but also will often change set of drawing instruments, cause unnecessary unnecessary spending.

Also has inconvenient part when using above-mentioned set of drawing instruments, such as set square is generally two right angle triangles of 45 ° and 30 °, special angle for 30 °, 45 °, 60 ° and 90 ° can directly be drawn with set square, other angle then needs to measure angle with protractor, causes the inaccurate of tolerance and uses inconvenient.

(3) utility model content:

The purpose of this utility model has provided a kind of multifunctional plotter, the digital display compasses compact conformation that it comprises, the convenient use, and digital display compasses and other annex are used in addition, can expand out the function of use of ruler, set square and protractor.

Can realize the multifunctional plotter of above-mentioned purpose, its main body is the digital display compasses, two rule pin of digital display compasses cut with scissors dress mutually in the upper end, the digital display compasses be provided with according to two rule pin subtended angles and length computation do the garden diameter digital display device, digital display device is made of capacitor grid transducer, measuring-signal processor, data processor and display, different is that used capacitor grid transducer is the circle capacitor grid transducer, the circle capacitor grid transducer is installed on the hinge dress place of two rule pin, and the fixed grid of circle capacitor grid transducer and moving grid are installed in respectively on the two rule pin.Described round capacitor grid transducer is the capacitance measuring sensor device of absolute position, contain a calibration sensor and a measuring transducer, and with the memory electronic component phase value and the phase difference of calibration sensor and measuring transducer are remembered, be used for the counting zero point of determine measuring; Described calibration sensor has the absolute measurement function at effective operation interval, and the score value of measuring transducer pitch is more than or equal to calibration sensor.

Used round capacitor grid transducer can adopt two reflective structures that contain two sensors, be to have on the fixed grid (plate) with plate concentric the demarcation emitter stage corresponding with calibration sensor and demarcation receiving pole and measurement emitter stage and the measurement receiving pole corresponding with measuring transducer, moving grid (plate) is gone up with the corresponding projected position of emitter stage, receiving pole and is provided with the demarcation repellel, measures repellel, screening electrode.

Eight tunnel actuator electrical signals of described calibration sensor and measuring transducer are provided by same appearance grid IC, and the receiving pole signal is handled and can be included among the described appearance grid IC or in different appearance grid IC, but the frequency of oscillation of these different appearance grid IC is synchronous.The round capacitor grid transducer of low-end product also can adopt common capacitor grid transducer to make.

Can on the basis of described digital display compasses, further develop the function of its multifunctional drawing, its technical scheme at first is two of digital display compasses to be advised pin replace with two rulers, the lower end of two rulers is installed center of circle pin and pen core respectively, measure the size (being equivalent to protractor) of tested angle with two rulers, the subtended angle range of two rulers is between 0 °～180 °.

Described pen core is divided into great circle pen core and roundlet pen core, and great circle pen core direction is consistent with the direction of place ruler, and the roundlet pen core is partial to center of circle pin and is formed angle with the straight gage in place.

The bottom surface of two rulers is arranged on the same plane, when the subtended angle of two rulers is 180 °, the upper end of two rulers butt joint, the outer side edges of two rulers is on the straight line, can work as one this moment long ruler used.

For further making the drafting angle function that the utlity model has set square, and be arbitrarily angled between drawing 0 °～180 °, also to assist a secondary chi to be used, secondary chi is a dual-side ruler different in size, the short side of secondary chi is in extreme direction slip on the ruler on the inner side edge of a ruler during use, the long side of secondary chi and the inner side edge of another ruler formation one have the angle of intersection point, this angle is consistent with two ruler subtended angles, draw out this angle by the long side of secondary chi and the inner side edge of ruler, this angular dimension is shown by the display of digital display device.

Advantage of the present utility model:

1, the utility model integrate measuring angle, span from, draw circle, draw angle, draw multiple measurement drawing functions such as straight line, easy to use, easy to carry, be difficult for losing.

2, the utility model is owing to have digital display function, and the tolerance of angle and radius is accurate, mapping accuracy height.

3, the utlity model has interesting good, high in technological content characteristics, be particularly suitable for students in middle and primary schools and use, strengthen the hobby of student geometrical learning.

4, the utility model is owing to adopted the appearance grid position sensor of absolute coding, and functional reliability is good, need not check zero point during use, and is easy to use.

(4) description of drawings:

Fig. 1 is the structural representation of a kind of case study on implementation of the present utility model.

Fig. 2 is the vertical view of Fig. 1 case study on implementation.

Fig. 3 is the dorsal view of Fig. 1 case study on implementation.

Fig. 4 is the structural representation of the subtended angle of two rulers in Fig. 1 case study on implementation when being 180 °.

Fig. 5 is the vertical view of Fig. 4 case study on implementation.

Fig. 6 is an A-A cut-away view in Fig. 1 case study on implementation.

Figure number sign: 1, rule pin; 2, center of circle pin; 3, great circle pen core; 4, roundlet pen core; 5, compasses rotating shaft; 6, digital display device; 7, secondary chi; 8, change-over switch; 9, resilient sleeve.

(5) specific embodiments:

In case study on implementation shown in Figure 1, the main body of the utility model multifunctional plotter is the digital display compasses that two rule pin, 1 hinge dress forms, each is advised pin 1 and is shape and the identical bar shaped short ruler of length, be formed with the arch bar on the front mediad of ruler, the bottom surface central authorities of ruler offer bar-shaped trough, as Fig. 4, shown in Figure 6.

Digital display device 6 of the present utility model is circular, by capacitor grid transducer, the measuring-signal processor, data processor and display are formed, digital display device 6 back central authorities two parts in relative rotation adorn with two rulers hinge respectively, the hinge of two rulers is decorateeed and is positioned at positive relative place, right angle, ruler upper end, as shown in Figure 3, in digital display device 6 inside, concentric is provided with the fixed grid and the moving grid of round capacitor grid transducer on two parts in relative rotation, digital display device 6 fronts are display screens (display screen also can be located on the ruler) of display, the display screen below is provided with change-over switch 8, as Fig. 1, shown in Figure 4.

Described round capacitor grid transducer is the capacitance measuring sensor device of absolute position, contain a calibration sensor and a measuring transducer, and with the memory electronic component phase value and the phase difference of calibration sensor and measuring transducer are remembered, be used for the counting zero point of determine measuring; Described calibration sensor has the absolute measurement function at effective operation interval, and the score value of measuring transducer pitch is more than or equal to calibration sensor.

Described round capacitor grid transducer is two reflective structures, have with the concentric demarcation emitter stage corresponding with calibration sensor of plate on the fixed grid (plate) and demarcate receiving pole and with the corresponding measurement emitter stage of measuring transducer with measure receiving pole, moving grid (plate) is gone up with emitter stage, projected position that receiving pole is corresponding and is provided with demarcation repellel, measurement repellel, screening electrode.

Offer pin-and-hole on the following end arch bar end face of a ruler, equipped resilient sleeve 9 in the pin-and-hole is clamping in the resilient sleeve 9 and is being exposed at the outer center of circle pin 2 of this ruler, and the direction of center of circle pin 2 is consistent with the length direction of ruler; Arch bar end face in another ruler lower end is offered pin-and-hole respectively with encircleing on the bar inclined-plane, equipped resilient sleeve 9 in the pin-and-hole, clamping in the resilient sleeve 9 and be exposed at this ruler outer great circle pen core 3 and roundlet pen core 4, the direction of great circle pen core 3 is consistent with the length direction of this ruler, the direction of roundlet pen core 4 and the length direction of this ruler form the angle of deflection center of circle pin 2, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, center of circle pin 2, roundlet pen core 4, great circle pen core 3 stretches out the equal in length of ruler, the arch bar end face that the ruler upper end of center of circle pin 2 is installed is provided with convenient compasses rotating shaft 5 of rotating, and the direction of compasses rotating shaft 5 is consistent with the length direction of this ruler.

As shown in Figure 1, the ruler that center of circle pin 2 is installed is equipped with one to draw the secondary chi 7 of angle, secondary chi 7 also is a ruler, one is long and the other is short for its dual-side, the inner side edge that the minor face of secondary chi 7 leans against this ruler slides to the upper end of this ruler, the long limit of secondary chi 7 can contact with the inner side edge of another ruler intersects, and can draw out two rulers determined angle in 0 °～180 ° subtended angles by the long limit and the inner side edge of contact ruler of secondary chi 7.

When the subtended angle of two rulers is 180 °, the utility model multifunctional plotter can be used as a long ruler and use, the two rulers upper end butt joint of this moment, and the bottom surface of two rulers is in the same plane, the inside and outside side of two rulers is on same the straight line, as Fig. 4, shown in Figure 5.

Claims

1. multifunctional plotter, comprise the digital display compasses, two rule pin (1) of digital display compasses cut with scissors dress mutually in the upper end, described digital display compasses are provided with measures two rule pin (1) subtended angles and according to the digital display device (6) of two rule pin (1) circular diameters that length computation is done, described digital display device (6) comprises capacitor grid transducer, measuring-signal processor, data processor and display, it is characterized in that: described capacitor grid transducer is for being installed on the round capacitor grid transducer at two rule pin (1) hinge dress places, and the fixed grid of circle capacitor grid transducer and moving grid are connected on the two rule pin (1); Described round capacitor grid transducer is common capacitor grid transducer or is the capacitance measuring sensor device of absolute position, the capacitance measuring sensor device of absolute position contains a calibration sensor and a measuring transducer, and with the memory electronic component phase value and the phase difference of calibration sensor and measuring transducer are remembered, be used for the counting zero point of determine measuring; Described calibration sensor has the absolute measurement function at effective operation interval, and the score value of measuring transducer pitch is more than or equal to calibration sensor.

2. multifunctional plotter according to claim 1, it is characterized in that described round capacitor grid transducer is two reflective structures: have with the concentric demarcation emitter stage corresponding of plate on the fixed grid and demarcate receiving pole and with the corresponding measurement emitter stage of measuring transducer with measure receiving pole, be provided with emitter stage, projected position that receiving pole is corresponding on the moving grid and demarcate repellel, measurement repellel, screening electrode with calibration sensor.

3. multifunctional plotter according to claim 2, it is characterized in that: eight tunnel actuator electrical signals of described calibration sensor and measuring transducer are provided by same appearance grid IC, accept utmost point signal and handle and to be included among the described appearance grid IC or in different appearance grid IC, but the frequency of oscillation of these different appearance grid IC is synchronous.

4. according to any described multifunctional plotter in the claim 1～3, it is characterized in that: described two rule pin (1) are ruler, and the lower end of two rulers is installed center of circle pin (2) and pen core respectively, and the subtended angle of two rulers is between 0 °～180 °.

5. multifunctional plotter according to claim 4 is characterized in that: the bottom surface of described two rulers is in the same plane.

6. multifunctional plotter according to claim 5, it is characterized in that: a ruler is furnished with secondary chi (7), secondary chi (7) is the ruler that the length of side does not wait, the short side of secondary chi (7) and the inner side edge of this ruler are slidingly matched, extreme direction on this ruler, the long side of secondary chi (7) and the inner side edge of another ruler form consistent and the angle of intersection point arranged with two ruler subtended angles.

7. multifunctional plotter according to claim 4, it is characterized in that: described pen core is divided into (4) two kinds of great circle pen core (3) and roundlet pen cores, great circle pen core (3) is consistent with the direction of place ruler, and roundlet pen core (4) is partial to another ruler and is formed angle with the place ruler.